John polhemus



(No Model.)

I J.. PO'LHEMUS.

PRINTERS QUOIN.

N0.29'6,0564. Patent edApr. l,'-1884.

N. PETERS, Phdlo-Lilhngnphor, Washington. D. c.

UNITE STATES iATENT OFFICE.

JOHN POLHEMUS, OF NEW YORK, N. Y.

PRINTERS QUOIN.

SPECIFICATION forming part of Letters Patent No. 296,056, dated April 1, 1884..

Application filed April 26, 1883. (No model.)

lowing to be a full, clear, and exact descriptionof the invention, such as will enable others skilledin the art to which it appertains to make and usethe same, reference being bad to the accompanying drawings, and to the letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to certain new and useful improvements in printers quoins; and it has for its object to provide a quoin with employed to drive the quoin in place can have a firm hold upon the same; and to this end it consists in providing an ordinary wedgeshaped quoin with central recesses and grooved ends, as will be hereinafter more fullyset forth, and pointed out in the claim.

In the annexed drawings, which illustrate my invention, Figure 1 is a perspective view of one ofthe coins. Fig. 2 is a plan view, showing the same applied in a chase.

In the accompanying drawings, A represents a printersquoin, which is preferably constructed of metal in the usual manner that is to say. wedge-shapedwhich quoin is provided on its two parallel sides or on its top and bottom with grooves or recesses of any required depth or shape, these recesses being represented by the letters a a. The

ends of these grooves or recesses a a are con- -cave to form a better bearing for the end of the shooting-stick. The ends 0 c of the quoins are grooved or concave, as shown.

With a quoin constructed as hereinbefore described central as well as end bearings for the shootingstick are provided, and the same being curved, as shown, will prevent the shooting-stick being displaced when struck with a mallet.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

As a new and improved article of manufacture, a printers quoin having the following characteristics: a wedge-shaped body, with vertical concave ends, andrecesses with curved ends on each of its parallel sides, substantially as shown, and for the purpose set forth.

JOHN POLHEMUS.

In presence of WILLIAM V. H. HICKS, A. SIDNEY DOANE. 

